The effort 'P' to be applied horizontally to pull a weight 'W' on a plane inclined at an angle Œ± with the horizontal is given by (tan Œ∏ is the coefficient of friction)

The effort 'P' to be applied horizontally to pull a weight 'W' on a pl

1.	The effort 'P' to be applied horizontally to pull a weight 'W' on a plane inclined at an angle Œ± with the horizontal is given by (tan Œ∏ is the coefficient of friction)
A.	P = W tan (Œ± + Œ∏)
B.	P = W tan (Œ± - Œ∏)
Answer» B. P = W tan (Œ± - Œ∏)

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The effort 'P' to be applied horizontally to pull a weight 'W' on a plane inclined at an angle Œ± with the horizontal is given by (tan Œ∏ is the coefficient of friction)

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